\documentclass{article}
\usepackage[x11names, rgb]{xcolor}
\usepackage[utf8]{inputenc}
\usepackage{tikz}
\usetikzlibrary{snakes,arrows,shapes}
\usepackage{amsmath}
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\begin{document}
\pagestyle{empty}
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\enlargethispage{100cm}
% Start of code
% \begin{tikzpicture}[anchor=mid,>=latex',line join=bevel,]
\begin{tikzpicture}[>=latex',line join=bevel,]
  \pgfsetlinewidth{1bp}
%%
\begin{scope}
  \pgfsetstrokecolor{black}
  \draw (182bp,17bp) node {$C_3$};
\end{scope}
  \pgfsetcolor{black}
  % Edge: CORR -> SECYR
  \draw [] (185bp,178bp) .. controls (185bp,167bp) and (185bp,153bp)  .. (185bp,142bp);
  % Edge: CORR -> TELE
  \definecolor{newcol}{rgb}{0.0,1.0,0.0};
  \pgfsetcolor{newcol}
  \draw [->] (207bp,186bp) .. controls (230bp,175bp) and (268bp,157bp)  .. (301bp,142bp) .. controls (303bp,141bp) and (304bp,141bp)  .. (315bp,135bp);
  % Edge: SECYR -> OFF
  \pgfsetcolor{black}
  \draw [] (185bp,106bp) .. controls (185bp,95bp) and (185bp,81bp)  .. (185bp,70bp);
  % Edge: CORR -> JANCL
  \draw [] (162bp,186bp) .. controls (138bp,175bp) and (100bp,157bp)  .. (67bp,142bp) .. controls (62bp,140bp) and (57bp,137bp)  .. (52bp,135bp);
  % Edge: CORR -> LOBBY
  \draw [] (169bp,181bp) .. controls (156bp,169bp) and (136bp,151bp)  .. (123bp,139bp);
  % Edge: CORR -> RSLAB
  \draw [] (201bp,181bp) .. controls (214bp,169bp) and (233bp,151bp)  .. (247bp,139bp);
  % Node: SECYR
\begin{scope}
  \pgfsetstrokecolor{black}
  \draw (185bp,124bp) ellipse (31bp and 18bp);
  \draw (185bp,124bp) node {SECY/R};
\end{scope}
  % Node: OFF
\begin{scope}
  \pgfsetstrokecolor{black}
  \draw (185bp,52bp) ellipse (27bp and 18bp);
  \draw (185bp,52bp) node {$OFF$};
\end{scope}
  % Node: JANCL
\begin{scope}
  \pgfsetstrokecolor{black}
  \draw (29bp,124bp) ellipse (29bp and 18bp);
  \draw (29bp,124bp) node {JAN\ CL};
\end{scope}
  % Node: TELE
\begin{scope}
  \definecolor{strokecol}{rgb}{0.0,1.0,0.0};
  \pgfsetstrokecolor{strokecol}
  \draw (337bp,124bp) ellipse (27bp and 18bp);
  \pgfsetstrokecolor{black}
  \draw (337bp,124bp) node {TELE};
\end{scope}
  % Node: CORR
\begin{scope}
  \pgfsetstrokecolor{black}
  \draw (185bp,196bp) ellipse (27bp and 18bp);
  \draw (185bp,196bp) node {$CORR$};
\end{scope}
  % Node: LOBBY
\begin{scope}
  \pgfsetstrokecolor{black}
  \draw (106bp,124bp) ellipse (30bp and 18bp);
  \draw (106bp,124bp) node {$LOBBY$};
\end{scope}
  % Node: RSLAB
\begin{scope}
  \pgfsetstrokecolor{black}
  \draw (263bp,124bp) ellipse (29bp and 18bp);
  \draw (263bp,124bp) node {RS\ LAB};
\end{scope}
%
\end{tikzpicture}
% End of code

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\end{document}
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